diff --git a/tasks/main.yml b/tasks/main.yml
index 73da5c1550d6f8b0c142606ab52cd908b3be07eb..f6e5ff50af0ed618cf1f5ba9907c6318e24b98a1 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -54,6 +54,7 @@
       owner: root
       group: 0
       mode: 0o0644
+      validate: unbound-checkconf
   notify:
       - Restart Unbound